oak-editor/app/pluginSupport/OliveHost.cpp

/*
 * Olive Community Edition - Non-Linear Video Editor
 * Copyright (C) 2025 Olive CE Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "node/project.h"
#include "ofxhImageEffect.h"
#include <cstddef>
#include <cstdio>
#include <cstring>
#include  <ofxhPluginCache.h>
#include <ofxhBinary.h>

#include <QApplication>
#include <QDir>
#include "OliveHost.h"

#include "OlivePluginInstance.h"
#include "common/Current.h"
#include "ofxMessage.h"
#include <QMessageBox>
using namespace OFX::Host;
using namespace olive::plugin;

namespace olive {
namespace plugin {
class PluginNode;
}
}

void olive::plugin::loadPlugins(QString path)
{
	std::shared_ptr<OliveHost> host=std::make_shared<OliveHost>();
	Current::getInstance().setPluginHost(host);
	std::shared_ptr<ImageEffect::PluginCache> imageEffectPluginCache
		=std::make_shared<ImageEffect::PluginCache>(*host);

}
OliveHost::~OliveHost()
{
	for(auto& descriptor:descriptors_){
		delete descriptor;
		descriptor=nullptr;
	}
	for(auto& instance:instances_){
		delete instance;
		instance=nullptr;
	}
	
}

void OliveHost::destroyInstance(OFX::Host::ImageEffect::Instance* instance)
{
	if (!instance) {
		return;
	}
	if (instances_.contains(instance))
	{
		instances_.removeOne(instance);
		delete instance;
	}
}
ImageEffect::Descriptor *
OliveHost::makeDescriptor(ImageEffect::ImageEffectPlugin* plugin)
{
	ImageEffect::Descriptor* desc = new ImageEffect::Descriptor(plugin);
	descriptors_.append(desc);
	return desc;
}
ImageEffect::Descriptor *
OliveHost::makeDescriptor(const ImageEffect::Descriptor &rootContext,
							ImageEffect::ImageEffectPlugin *plugin)
{
	ImageEffect::Descriptor* desc =  new ImageEffect::Descriptor(rootContext,plugin);
	descriptors_.append(desc);
	return desc;
}
ImageEffect::Descriptor *
OliveHost::makeDescriptor(const std::string &bundlePath,
							ImageEffect::ImageEffectPlugin *plugin)
{
	ImageEffect::Descriptor* desc =  new ImageEffect::Descriptor(bundlePath, plugin);
	descriptors_.append(desc);
	return desc;
}

ImageEffect::Instance* OliveHost::newInstance(std::shared_ptr<PluginNode> clientData,
							ImageEffect::ImageEffectPlugin* plugin,
							ImageEffect::Descriptor& desc,
							const std::string& context){
	auto* instance = new OlivePluginInstance(
		plugin, desc, context, Current::getInstance().interactive());
	if (clientData) {
		instance->setNode(clientData);
	}
	instances_.append(instance);
	return instance;
};
OfxStatus olive::plugin::OliveHost::vmessage(const char *type, const char *id, const char *format,
						   va_list args){
	if (!type || !format) {
		return kOfxStatFailed;
	}

	char buffer[1024];
	buffer[0] = '\0';
	vsnprintf(buffer, sizeof(buffer), format, args);
	QString message(buffer);

	if (strcmp(type, kOfxMessageQuestion) == 0) {
		auto ret = QMessageBox::question(nullptr, "", message,
										 QMessageBox::Ok, QMessageBox::Cancel);
		return (ret == QMessageBox::Ok) ? kOfxStatReplyYes : kOfxStatReplyNo;
	}

	if (strcmp(type, kOfxMessageError) == 0) {
		QMessageBox::critical(nullptr, "", message);
	} else if (strcmp(type, kOfxMessageWarning) == 0) {
		QMessageBox::warning(nullptr, "", message);
	} else {
		QMessageBox::information(nullptr, "", message);
	}

	return kOfxStatOK;
}

OfxStatus olive::plugin::OliveHost::setPersistentMessage(
	const char *type, const char *id, const char *format, va_list args)
{
	if (!type || !format) {
		return kOfxStatFailed;
	}

	char buffer[1024];
	buffer[0] = '\0';
	vsnprintf(buffer, sizeof(buffer), format, args);
	QString message(buffer);

	if (strcmp(type, kOfxMessageError) == 0) {
		persistent_messages_.append({HostMessageType::Error, message});
		QMessageBox::critical(nullptr, "", message);
	} else if (strcmp(type, kOfxMessageWarning) == 0) {
		persistent_messages_.append({HostMessageType::Warning, message});
		QMessageBox::warning(nullptr, "", message);
	} else if (strcmp(type, kOfxMessageMessage) == 0) {
		persistent_messages_.append({HostMessageType::Message, message});
		QMessageBox::information(nullptr, "", message);
	} else {
		return kOfxStatFailed;
	}

	return kOfxStatOK;
}

OfxStatus olive::plugin::OliveHost::clearPersistentMessage()
{
	persistent_messages_.clear();
	return kOfxStatOK;
}